diff --git a/server/src/crdt_state/lww_maps/llm_sessions.rs b/server/src/crdt_state/lww_maps/llm_sessions.rs
index 3600620a..52400f0a 100644
--- a/server/src/crdt_state/lww_maps/llm_sessions.rs
+++ b/server/src/crdt_state/lww_maps/llm_sessions.rs
@@ -61,7 +61,12 @@ pub fn read_llm_session(persona: &str) -> Option<LlmSessionView> {
     let state_mutex = get_crdt()?;
     let state = state_mutex.lock().ok()?;
     let &idx = state.llm_session_index.get(persona)?;
-    extract_llm_session_view(&state.crdt.doc.llm_sessions[idx])
+    // Compute the local sled id from the guard we already hold — calling
+    // our_node_id() here would re-lock the same non-reentrant mutex and
+    // self-deadlock the thread while it holds the lock, wedging every other
+    // CRDT user behind it (bug 1170: repeated full-sled freezes).
+    let local_sled_id = crate::crdt_state::hex::encode(&state.crdt.id);
+    extract_llm_session_view(&state.crdt.doc.llm_sessions[idx], &local_sled_id)
 }
 
 /// Atomically read new event-log entries for `persona` past the stored
@@ -311,7 +316,14 @@ fn extract_new_event_multi(
 }
 
 /// Convert a CRDT LLM session entry into its read-only view representation.
-pub(super) fn extract_llm_session_view(entry: &LlmSessionCrdt) -> Option<LlmSessionView> {
+///
+/// `local_sled_id` must be supplied by the caller: this function runs while
+/// the CRDT state lock is held, so it must NOT call `our_node_id()` (which
+/// acquires that same lock — see bug 1170).
+pub(super) fn extract_llm_session_view(
+    entry: &LlmSessionCrdt,
+    local_sled_id: &str,
+) -> Option<LlmSessionView> {
     let session_id = match entry.session_id.view() {
         JsonValue::String(s) if !s.is_empty() => s,
         _ => return None,
@@ -320,8 +332,7 @@ pub(super) fn extract_llm_session_view(entry: &LlmSessionCrdt) -> Option<LlmSess
         JsonValue::String(s) => s,
         _ => String::new(),
     };
-    let local_sled_id = crate::crdt_state::our_node_id().unwrap_or_default();
-    let scope_filter = parse_scope(entry, &local_sled_id);
+    let scope_filter = parse_scope(entry, local_sled_id);
     let high_water = parse_high_water(entry);
     Some(LlmSessionView {
         session_id,